The effects of the combination of Pichia membranefaciens and BTH on controlling of blue mould decay caused by Penicillium expansum in peach fruit
文献类型: 外文期刊
第一作者: Cao, Shifeng
作者: Cao, Shifeng;Hu, Zhichao;Yang, Zhenfeng;Zheng, Yonghua
作者机构:
关键词: biocontrol;pichia membranefaciens;peach fruit;BTH;blue mould;penicillium expansum
期刊名称:FOOD CHEMISTRY ( 影响因子:7.514; 五年影响因子:7.516 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: The feasibility of 0.2 g l~(-1) benzo-thiadiazole-7-carbothioic acid S-methyl ester (BTH) to improve the efficacy of Pichia membranefaciens in controlling postharvest blue mould decay in peach fruit was investigated. Our results showed that biocontrol activity of P. membranefaciens against blue mould caused by Penicillium expansum in peach fruit could be enhanced by addition of 0.2 g l~(-1) BTH. The combination of P. membranefaciens and BTH resulted in a more effective control of blue mould than individual treatment of P. membranefaciens or BTH alone. The combined treatment had a synergistic effect on the induction of superoxide dismutase, catalase, ascorbate peroxidase, chitinase and β-1,3-glucanase activities, which induced stronger disease resistance in fruit than BTH or yeast alone, and resulted in a lower lesion diameter and disease incidence of blue mould decay in peaches. Furthermore, the combined treatment did not impair the quality parameters including fruit firmness and contents of total soluble solids, titratable acidity and vitamin C of peach fruit after 6 days of storage at 20℃. These results suggested that the use of BTH may be an effective method to improve the biological activity of P. membranefaciens.
分类号: TS2
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